• Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.

    本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L- 薄荷酯和叔丁酯。

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  • Mass transfer mathematic model of carbon dioxide removal by sterically hindered amine has established.

    建立了空间位阻胺脱碳的传质数学模型。

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  • The characteristics, protective principle and application of Sterically hindered silane blocking agents were reviewed.

    综述了位阻型硅烷化试剂的特点、保护原理和应用。

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  • During preparing the sterically hindered phenol ester, the method can simplify the catalyst neutralizing and removing course.

    该方法在位阻苯酚酯的制备过程中,简化了催化剂中和及除去过程。

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  • According to the chelation of citric acid and the sterically hindered effect of glycol, the vesicle of rare earth mixture can been obtained.

    依据柠檬酸的螯合作用和乙二醇的空间位阻效应,获得了稀土混合物囊泡。

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  • Kodak Company describe the use of a solvent-stabilizer system comprising a class of sterically hindered phenols acting both as coupler solvent and stabilizer.

    柯达叙述了一类含有空间位阻酚类作为成色剂和稳定剂。

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  • Kodak company describe the use of a solvent - stabilizer system comprising a class of sterically hindered phenols acting both as coupler solvent and stabilizer.

    柯达叙述了一类含有空间位阻酚类作为成色剂和稳定剂。

    youdao

  • Kodak company describe the use of a solvent - stabilizer system comprising a class of sterically hindered phenols acting both as coupler solvent and stabilizer.

    柯达叙述了一类含有空间位阻酚类作为成色剂和稳定剂。

    youdao

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